Almost all of them have European surnames, but only ~20% of them have a European ancestor. If you are white, chances are good one of your ancestors came from France, or used a French surname to fool the authorities.
1 AC, or alternating current means the electrical current is alternating directions in a repetitive pattern.  AC is created by generators in power plants, and other sources. This AC current is delivered to our homes and businesses by the power lines we see everywhere.
1 Alternating-current. 2  Alternating-current. 3  Alternating-current. 4  Alternating-current circuit theory. 5  Alternating-current circuit theory. 6  Alternating-current circuit theory. 7  alternating-current coupling. 8  alternating-current dump. 9  Alternating-current electric power. 10  Alternating-current electric power.